查询词典 used sand

Background: The main raw materials of lime sand bricks are tailings of silicon materials and calcium lime. They are standard bricks made through mixing, pressing and autoclaving. Their features include beautiful appearance, good quality and high solidness. An ideal substitute for clay bricks, they can be widely used in the base, the interior and exterior walls of constructions.

一、项目背景：灰砂砖是以硅质材料尾砂和钙质材料石灰为主要原料，经混和、压制、蒸压工艺制成的标砖，具有外观质量好、强度高等性能，可广泛应用于建筑物基层，底层及内、外墙体，是理想的实心粘土砖的替代产品。

A tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors.

一种四价非金属元素，地壳中含量仅次于氧，见于粘土、长石、石英和沙中，在晶体管中用作半导体。

Electric control system: the sand blast robot adopted the fashion of control automatically completely ; The computer"s control system adopted two-level distribution control; The radar module was used to monitor the distance between the blast gun and the oilcan"s inner wall; Dynamo could be controlled by simply programming with the phase- shifting SPWN technology of unitized transverter.

电控系统：喷砂机器人采用全自动控制方式；计算机控制系统采用二级分布式控制；通过红外测距模块调控喷枪与油罐内壁距离；选用组合变流器相移SPWM技术，通过简单的编程控制电机。

The filtration produced by our factory has such good performance as high temperature resistance, flame resistance, good chemical stability, excellent firmness strength, low chlorin evolution, metal melting erosion resistance, good quality of filtering sand and convenient use, which is widely used for foundry filtering netlike cloth , filtering treatment for metal melting and improving casting quality, in addition , for such industrial fields as filtering for chemical erosion liquid , tobacco leaf filtering net for environmental protection, and fire fighting.

本厂生产的铸造过滤网具有耐高温、耐烧蚀、化学稳定性好；良好的刚强度、发气量低、耐金属熔体冲刷、滤渣质量好、使用方便等优良的性能，被广泛用于铸造过滤网，对金属熔体进行过滤净化处理，改善铸件质量，还可用于化工腐蚀液体的过滤和环境保护用烟叶过滤网以及消防等工业领域。

The process of manufacturing mould by PEPSET no-bake sand can raise the quality of casting,save the energy,reduce the cost,and it can be used widely.

PEPSET 自硬砂制芯工艺简单，可明显提高铸件质量，节约能源，降低成本，具有推广和使用价值。

Product function: natural sand used in sandblasting.

产品作用：天然砂广泛应用于喷砂。

Tarantulas do not do well with the ornamental sand that is often used with reptiles.

捕鸟蛛有时候不挖洞，因为观赏沙子太多，往往这是爬行动物所喜欢的而不是他们喜欢的。

Lightweight and flexible balance crane, is an ideal lifting small items of lifting equipment, is widely used in factory floor of the machine loading and unloading, process, the automatic line, production line of the workpiece, lifting sand box, parts assembly, and stations, docks, warehouses and other occasions.

平衡起重机轻巧灵活，是一种理想的吊运小件物品的起重设备，被广泛用于工厂车间的机床上下料，工序间、自动线、生产线的工件、砂箱吊运、零部件装配，以及车站、码头、仓库等各种场合。

Numerical simulation based on DEM was used on bearing characteristics of single pile setup in sand by different methods.

采用基于离散单元法的颗粒流数值技术对砂土中设置就位后单桩在使用阶段的承载特性进行了数值模拟。

In order to enhance itscaking intensity, often greatly increases the cement the amount used,because its lime sand quite big (generally is 1: 1), this kind ofcaking mortar existence very big flaw, like brittleness oversized butflexibility insufficient, its compressive strength higher, but anti-booklet intensity and caking intensity lower and so on, the elasticitycoefficient higher distorts the ability to be very inferior.

为了提高其粘结强度，往往大大增加水泥的用量，由于其灰砂比较大(一般为1∶1)，这种粘结砂浆存在很大缺陷，如脆性过大而柔韧性不足，其抗压强度较高，而抗折强度和粘结强度较低等，弹性模量较高而变形能力很差等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。